public async Task ApproveParticipant_Status200OK_ReturnsStatus200OK()
{
// Arrange
_actionManager
.Setup((x) => x.ApproveParticipantAsync(It.IsAny <int>()))
.ReturnsAsync(StatusCodes.Status200OK);
var expected = StatusCodes.Status200OK;
// Act
var result = await _eventsController.ApproveParticipant(It.IsAny <int>());
var actual = (result as StatusCodeResult).StatusCode;
// Assert
Assert.AreEqual(expected, actual);
}